VALVETRONIC Titanium Valved Sport Exhaust System – BMW G8X M3 / M4 (S58)

The VALVETRONIC Titanium Valved Sport Exhaust System for BMW G8X M3 and M4 is engineered to unlock the true character of the S58 engine through improved exhaust flow, refined acoustics, and significant weight reduction.

Featuring a single 3.5” equal-length mid-pipe, this system enhances exhaust pulse balance to deliver a smoother, higher-frequency tone while improving response across the rev range.

Designed to integrate seamlessly with OEM components or upgraded setups, this system offers a modular upgrade path with optional valved axle-back integration for full control over sound levels.

Performance Highlights

• Equal-length mid-pipe for refined exhaust tone
• Improved exhaust flow and engine response
• Higher-pitched, smoother sound profile
• No check-engine lights (CEL-safe design)
• Compatible with OEM or upgraded front sections

Sound Characteristics

• With OEM downpipes:
  Crisp, refined tone with no drone
• With valved axle-back (optional):
  • Valves closed: Controlled, daily-friendly sound
  • Valves open: Aggressive, motorsport-inspired tone

Engineering & Design

• Single 3.5” mid-pipe design
• Equal-length construction for balanced exhaust pulses
• Modular system compatible with OEM and aftermarket components
• Optional upgrade path to full valved system

Construction & Materials

• Grade 5 Titanium construction
• Precision TIG welding
• Mandrel-bent tubing
• Lightweight design for performance gains

Weight Reduction

• Up to –57.8 lbs (Titanium) vs OEM
• Improved power-to-weight ratio

Components Included

• Equal-length mid-pipe
• Titanium exhaust sections
• Cross brace for structural rigidity
• Carbon fiber exhaust tips

Compatibility

• BMW G80 M3 (2020+)
• BMW G82 M4 Coupe (2020+)
• BMW G83 M4 Convertible (2020+)

Important Notes

• Exhaust system hardware only
• ECU tuning not included
• Professional installation recommended
• Performance gains depend on full vehicle setup

Image for illustration purposes only.